Le Roy, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Le Roy, a city in Decatur County, Iowa.
Today
52°F
Cloudy
Cloudy. High near 52, with temperatures falling to around 50 in the afternoon. West wind 13 to 16 mph, with gusts as high as 23 mph.
7-day forecast for Le Roy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Cloudy | 13 to 16 mph W | 6% |
| Tonight | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph W | 21% |
| Thursday | 53°F | Chance Rain Showers | 12 mph NW | 29% |
| Thursday Night | 41°F | Mostly Cloudy | 8 mph NNW | 12% |
| Friday | 50°F | Partly Sunny | 3 to 8 mph N | 6% |
| Friday Night | 31°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 52°F | Mostly Sunny | 3 mph WSW | 1% |
| Saturday Night | 35°F | Mostly Clear | 5 mph WSW | 1% |
| Sunday | 59°F | Sunny | 6 mph W | 1% |
| Sunday Night | 37°F | Clear | 6 mph SW | 0% |
| Monday | 64°F | Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 42°F | Clear | 6 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NNW | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 3 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Le Roy (40.878, -93.593). Updated through the day.
Growing snapshot for Le Roy
Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
161 days
Hardiness zone
5b
More local growing data for Le Roy: nearby ZIP 50103 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Leon 6 Ese, Ia (5.2 mi from Le Roy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.